Formulas; Load Dependent Start Stop (Ldss) Formulas - Woodward easYgen-2000 Series User Manual

Appendix
Formulas > Load Dependent Start Stop ...
Message IDs for external discrete
inputs
External discrete input #
Message ID
External discrete input #
Message ID
Message IDs for flexible limits
Flexible limit #
Message ID
Flexible limit #
Message ID
Flexible limit #
Message ID
Flexible limit #
Message ID
9.6

Formulas

9.6.1

Load Dependent Start Stop (LDSS) Formulas

Abbreviations
Abbreviation Parameter
PGN
real active
P
rated active
Preserve
P 5760
reserve isolated
P IOP 5761
hysteresis
PMN
setpoint
PMN
real
600
1 2
16360 16361
9 10
16369 16370
1 2 3
10018 10019 10020
11 12 13
10028 10029 10030
21 22 23
10038 10039 10040
31 32 33
10048 10049 10050
The following formulas are used by the load-dependent start/stop
function to determine whether a genset is to be started or stopped.
Momentary active generator real power on the busbar
Momentary active generator rated power on the busbar
P
rated active
Minimum permissible reserve power on busbar in isolated operation
hysteresis in isolated operation
Export / import power control setpoint
Momentary active power at the interchange point
easYgen-2200/2500 | Genset Control
3 4 5
16362 16364 16365
11 12 13
16371 16372 16373
4 5 6
10021 10022 10023
14 15 16
10031 10032 10033
24 25 26
10041 10042 10043
34 35 36
10051 10052 10053
– PGN
real active
6 7 8
16366 16367 16368
14 15 16
16374 16375 16376
7 8 9
10024 10025 10026
17 18 19
10034 10035 10036
27 28 29
10044 10045 10046
37 38 39
10054 10055 10056
10
10027
20
10037
30
10047
40
10057
37535B